2024 Solstice Dates. Today (june 20) the summer solstice — the longest day of the year in the northern hemisphere — will begin, and it will be the earliest solstice in 228 years. It also lists astronomical sunrise and sunset timings on summer solstice day.
Solstice—the longest day of the year in the northern hemisphere and the shortest in the southern hemisphere—will occur on thursday, june 20, at 20:50 universal time (4:50. Edt on june 20, according to timeanddate.com.
